thresh P-value %words %seq Nwords Nseq total_words total_seq 8.0412 1.0e-05 11.1% 11.1% 2 2 18 18 7.0701 5.0e-05 38.9% 38.9% 7 7 18 18 6.5788 0.0001 38.9% 38.9% 7 7 18 18 5.2771 0.0005 83.3% 77.8% 15 14 18 18 4.6377 0.001 88.9% 83.3% 16 15 18 18